The submarine debuted, albeit unnamed, in Darth Vader (2017) 15, a canon comic written by Charles Soule, pencilled by Giuseppe Camuncoli, and released in 2018.
The submarine had previously appeared in Star Wars Legends, in the 2003 video game Star Wars: Rogue Squadron III: Rebel Strike.
The submarine debuted, albeit unnamed, in Darth Vader (2017) 15, a canon comic written by Charles Soule, pencilled by Giuseppe Camuncoli, and released in 2018.
The submarine had previously appeared in Star Wars Legends, in the 2003 video game Star Wars: Rogue Squadron III: Rebel Strike.